DE69229464D1 - QUASI RADIX-16 PROCESSOR AND METHOD - Google Patents
QUASI RADIX-16 PROCESSOR AND METHODInfo
- Publication number
- DE69229464D1 DE69229464D1 DE69229464T DE69229464T DE69229464D1 DE 69229464 D1 DE69229464 D1 DE 69229464D1 DE 69229464 T DE69229464 T DE 69229464T DE 69229464 T DE69229464 T DE 69229464T DE 69229464 D1 DE69229464 D1 DE 69229464D1
- Authority
- DE
- Germany
- Prior art keywords
- radix
- quasi
- processor
- quasi radix
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
- G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
- G02B6/122—Basic optical elements, e.g. light-guiding paths
- G02B6/1221—Basic optical elements, e.g. light-guiding paths made from organic materials
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
- G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
- G02B6/13—Integrated optical circuits characterised by the manufacturing method
- G02B6/132—Integrated optical circuits characterised by the manufacturing method by deposition of thin films
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/061—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on electro-optical organic material
- G02F1/065—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on electro-optical organic material in an optical waveguide structure
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
- G06F17/10—Complex mathematical operations
- G06F17/14—Fourier, Walsh or analogous domain transformations, e.g. Laplace, Hilbert, Karhunen-Loeve, transforms
- G06F17/141—Discrete Fourier transforms
- G06F17/142—Fast Fourier transforms, e.g. using a Cooley-Tukey type algorithm
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
- G06F9/38—Concurrent instruction execution, e.g. pipeline or look ahead
- G06F9/3824—Operand accessing
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Optics & Photonics (AREA)
- Software Systems (AREA)
- Nonlinear Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Engineering & Computer Science (AREA)
- Computational Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Data Mining & Analysis (AREA)
- Discrete Mathematics (AREA)
- Algebra (AREA)
- Databases & Information Systems (AREA)
- Complex Calculations (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US68728991A | 1991-04-18 | 1991-04-18 | |
PCT/JP1992/000494 WO1992018940A1 (en) | 1991-04-18 | 1992-04-17 | Quasi radix-16 processor and method |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69229464D1 true DE69229464D1 (en) | 1999-07-29 |
DE69229464T2 DE69229464T2 (en) | 1999-11-25 |
Family
ID=24759853
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69229464T Expired - Fee Related DE69229464T2 (en) | 1991-04-18 | 1992-04-17 | QUASI RADIX-16 PROCESSOR AND METHOD |
Country Status (5)
Country | Link |
---|---|
US (1) | US5313413A (en) |
EP (1) | EP0535244B1 (en) |
JP (1) | JP2744526B2 (en) |
DE (1) | DE69229464T2 (en) |
WO (1) | WO1992018940A1 (en) |
Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5845093A (en) * | 1992-05-01 | 1998-12-01 | Sharp Microelectronics Technology, Inc. | Multi-port digital signal processor |
US6334219B1 (en) | 1994-09-26 | 2001-12-25 | Adc Telecommunications Inc. | Channel selection for a hybrid fiber coax network |
USRE42236E1 (en) | 1995-02-06 | 2011-03-22 | Adc Telecommunications, Inc. | Multiuse subcarriers in multipoint-to-point communication using orthogonal frequency division multiplexing |
US7280564B1 (en) | 1995-02-06 | 2007-10-09 | Adc Telecommunications, Inc. | Synchronization techniques in multipoint-to-point communication using orthgonal frequency division multiplexing |
US5717620A (en) * | 1995-10-24 | 1998-02-10 | Airnet Communications Corporation | Improved-accuracy fast-Fourier-transform butterfly circuit |
IL125472A (en) * | 1996-01-24 | 2002-05-23 | Adc Telecommunications Inc | Communication system with multicarrier telephony transport |
US5890098A (en) * | 1996-04-30 | 1999-03-30 | Sony Corporation | Device and method for performing fast Fourier transform using a butterfly operation |
JP3821316B2 (en) * | 1996-08-06 | 2006-09-13 | ソニー株式会社 | Arithmetic apparatus and method |
US5933855A (en) * | 1997-03-21 | 1999-08-03 | Rubinstein; Richard | Shared, reconfigurable memory architectures for digital signal processing |
US5831883A (en) * | 1997-05-27 | 1998-11-03 | United States Of America As Represented By The Secretary Of The Air Force | Low energy consumption, high performance fast fourier transform |
US6167416A (en) | 1997-09-26 | 2000-12-26 | Xilinx, Inc. | System and method for RAM-partitioning to exploit parallelism of radix-2 elements in FPGAS |
US6216218B1 (en) * | 1997-11-03 | 2001-04-10 | Donald L. Sollars | Processor having a datapath and control logic constituted with basis execution blocks |
FR2772950B1 (en) * | 1997-12-19 | 2000-03-17 | St Microelectronics Sa | ELECTRONIC DEVICE FOR CALCULATING A FOURIER TRANSFORM WITH A "PIPELINE" ARCHITECTURE AND CONTROL METHOD THEREOF |
FR2772951B1 (en) * | 1997-12-19 | 2000-03-17 | St Microelectronics Sa | METHOD FOR CONTROLLING A RADIX 4 STAGE OF AN ELECTROONIC DEVICE FOR CALCULATING A FOURIER TRANSFORM WITH A PIPELINE ARCHITECTURE, AND CORRESPONDING DEVICE |
US5991787A (en) * | 1997-12-31 | 1999-11-23 | Intel Corporation | Reducing peak spectral error in inverse Fast Fourier Transform using MMX™ technology |
US6061705A (en) * | 1998-01-21 | 2000-05-09 | Telefonaktiebolaget Lm Ericsson | Power and area efficient fast fourier transform processor |
US6839728B2 (en) * | 1998-10-09 | 2005-01-04 | Pts Corporation | Efficient complex multiplication and fast fourier transform (FFT) implementation on the manarray architecture |
US6963891B1 (en) * | 1999-04-08 | 2005-11-08 | Texas Instruments Incorporated | Fast fourier transform |
US6477554B1 (en) * | 1999-09-17 | 2002-11-05 | Globespanvirata, Inc. | Circuit and method for computing a fast fourier transform |
DE10062759A1 (en) * | 2000-12-13 | 2002-08-29 | Ihp Gmbh | Method and circuit arrangement for carrying out a Fast Fourier transformation and application of the same |
US20030023779A1 (en) * | 2001-07-13 | 2003-01-30 | Hideo Mizutani | Symbol window correlative operation circuit and address generation circuit therefor |
US20030050944A1 (en) * | 2001-08-21 | 2003-03-13 | Olivier Gay-Bellile | Device for computing discrete transforms |
AU2002332820A1 (en) * | 2001-09-01 | 2003-03-18 | Bermai, Inc. | Ram-based fast fourier transform unit for wireless communications |
EP1426872A3 (en) * | 2002-12-03 | 2006-02-22 | STMicroelectronics Ltd. | Linear scalable FFT/IFFT computation in a multi-processor system |
EP1447752A3 (en) * | 2003-02-17 | 2006-02-22 | STMicroelectronics Pvt. Ltd | Method and system for multi-processor FFT/IFFT with minimum inter-processor data communication |
US7428564B2 (en) * | 2003-11-26 | 2008-09-23 | Gibb Sean G | Pipelined FFT processor with memory address interleaving |
US7415584B2 (en) * | 2003-11-26 | 2008-08-19 | Cygnus Communications Canada Co. | Interleaving input sequences to memory |
US7437396B2 (en) * | 2004-03-31 | 2008-10-14 | Intel Corporation | Apparatus and method for generating transforms |
US20060155795A1 (en) * | 2004-12-08 | 2006-07-13 | Anderson James B | Method and apparatus for hardware implementation of high performance fast fourier transform architecture |
CN113918875B (en) * | 2021-09-23 | 2024-05-03 | 同致电子科技(厦门)有限公司 | Fast processing method of two-dimensional FFT |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4138730A (en) * | 1977-11-07 | 1979-02-06 | Communications Satellite Corporation | High speed FFT processor |
US4547862A (en) * | 1982-01-11 | 1985-10-15 | Trw Inc. | Monolithic fast fourier transform circuit |
US4601006A (en) * | 1983-10-06 | 1986-07-15 | Research Corporation | Architecture for two dimensional fast fourier transform |
US4689762A (en) * | 1984-09-10 | 1987-08-25 | Sanders Associates, Inc. | Dynamically configurable fast Fourier transform butterfly circuit |
US5109524A (en) * | 1985-07-02 | 1992-04-28 | Vlsi Technology, Inc. | Digital processor with a four part data register for storing data before and after data conversion and data calculations |
GB2217058A (en) * | 1988-03-23 | 1989-10-18 | Benchmark Technologies | Processing integral transform operations |
JPH0795320B2 (en) * | 1988-10-11 | 1995-10-11 | 日本電子株式会社 | Large-capacity fast Fourier transform device |
-
1992
- 1992-04-17 DE DE69229464T patent/DE69229464T2/en not_active Expired - Fee Related
- 1992-04-17 EP EP92908214A patent/EP0535244B1/en not_active Expired - Lifetime
- 1992-04-17 JP JP4507780A patent/JP2744526B2/en not_active Expired - Fee Related
- 1992-04-17 WO PCT/JP1992/000494 patent/WO1992018940A1/en active IP Right Grant
-
1993
- 1993-03-08 US US08/027,934 patent/US5313413A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH05508502A (en) | 1993-11-25 |
WO1992018940A1 (en) | 1992-10-29 |
US5313413A (en) | 1994-05-17 |
DE69229464T2 (en) | 1999-11-25 |
EP0535244B1 (en) | 1999-06-23 |
JP2744526B2 (en) | 1998-04-28 |
EP0535244A1 (en) | 1993-04-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |